[ARM] S3C6410: Initial CPU support code

Initial support for the Samsung S3C6410 SoC.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index fed7753..3ce88d7 100644 (file)
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -123,7 +123,7 @@ endif
  machine-$(CONFIG_ARCH_S3C2410)           := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
  machine-$(CONFIG_ARCH_S3C24A0)           := s3c24a0
     plat-$(CONFIG_PLAT_S3C24XX)           := s3c24xx s3c
- machine-$(CONFIG_ARCH_S3C64XX)           := s3c6400
+ machine-$(CONFIG_ARCH_S3C64XX)           := s3c6400 s3c6410
     plat-$(CONFIG_PLAT_S3C64XX)           := s3c64xx s3c
  machine-$(CONFIG_ARCH_LH7A40X)           := lh7a40x
  machine-$(CONFIG_ARCH_VERSATILE)  := versatile

diff --git a/arch/arm/mach-s3c6410/Kconfig b/arch/arm/mach-s3c6410/Kconfig
index 6ef4c94..c473ba9 100644 (file)
--- a/arch/arm/mach-s3c6410/Kconfig
+++ b/arch/arm/mach-s3c6410/Kconfig
@@ -6,3 +6,9 @@
 # Licensed under GPLv2
 
 # Configuration options for the S3C6410 CPU
+
+config CPU_S3C6410
+       bool
+       help
+         Enable S3C6410 CPU support
+

diff --git a/arch/arm/mach-s3c6410/Makefile b/arch/arm/mach-s3c6410/Makefile
new file mode 100644 (file)
index 0000000..b35e04d
--- /dev/null
+++ b/arch/arm/mach-s3c6410/Makefile
@@ -0,0 +1,16 @@
+# arch/arm/plat-s3c6410/Makefile
+#
+# Copyright 2008 Openmoko, Inc.
+# Copyright 2008 Simtec Electronics
+#
+# Licensed under GPLv2
+
+obj-y                          :=
+obj-m                          :=
+obj-n                          :=
+obj-                           :=
+
+# Core support for S3C6410 system
+
+obj-$(CONFIG_CPU_S3C6410)      += cpu.o
+

diff --git a/arch/arm/mach-s3c6410/cpu.c b/arch/arm/mach-s3c6410/cpu.c
new file mode 100644 (file)
index 0000000..fbca763
--- /dev/null
+++ b/arch/arm/mach-s3c6410/cpu.c
@@ -0,0 +1,81 @@
+/* linux/arch/arm/mach-s3c6410/cpu.c
+ *
+ * Copyright 2008 Simtec Electronics
+ * Copyright 2008 Simtec Electronics
+ *     Ben Dooks <ben@simtec.co.uk>
+ *     http://armlinux.simtec.co.uk/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/hardware.h>
+#include <asm/irq.h>
+
+#include <plat/cpu-freq.h>
+#include <plat/regs-serial.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/clock.h>
+#include <plat/s3c6410.h>
+
+/* Initial IO mappings */
+
+static struct map_desc s3c6410_iodesc[] __initdata = {
+};
+
+/* s3c6410_map_io
+ *
+ * register the standard cpu IO areas
+*/
+
+void __init s3c6410_map_io(void)
+{
+       iotable_init(s3c6410_iodesc, ARRAY_SIZE(s3c6410_iodesc));
+}
+
+void __init s3c6410_init_clocks(int xtal)
+{
+       printk(KERN_INFO "%s: initialising clocks\n", __func__);
+       s3c24xx_register_baseclocks(xtal);
+}
+
+struct sysdev_class s3c6410_sysclass = {
+       .name   = "s3c6410-core",
+};
+
+static struct sys_device s3c6410_sysdev = {
+       .cls    = &s3c6410_sysclass,
+};
+
+static int __init s3c6410_core_init(void)
+{
+       return sysdev_class_register(&s3c6410_sysclass);
+}
+
+core_initcall(s3c6410_core_init);
+
+int __init s3c6410_init(void)
+{
+       printk("S3C6410: Initialising architecture\n");
+
+       return sysdev_register(&s3c6410_sysdev);
+}